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Use an Equivalent Fractions Calculator to find equivalent fractions and simplify ratios. Get step-by-step results and avoid common fraction mistakes.

Learn how to compare fractions using cross-multiplication and common denominators. Use this Comparing Fractions Calculator to get instant results.

Use a Multiplicative Inverse Calculator to find x⁻¹ mod n or the real reciprocal. Learn when inverses exist and how to verify them.

Use this Fraction Exponent Calculator to simplify fractional exponents by converting them into roots and powers.

Use a Cross Multiply Calculator to solve proportions and missing values quickly. Learn the formula, steps, and real examples.

Use the Comparing Decimals Calculator to quickly determine whether two decimals are equal, greater, or less—without manual mistakes.

Use a Pythagorean Theorem Calculator to find the missing side of a right triangle. Get accurate results for distance, framing, and more.

Use a Hypotenuse Calculator to compute the longest side of a right triangle from two known legs. Get instant, accurate results.

Use an Orthocenter Calculator to compute the orthocenter of a triangle from vertex coordinates. Get x- and y-coordinates instantly.

Use the 30 60 90 Triangle Calculator to compute all side lengths and the hypotenuse from one known measurement.